All U.S., Canadian and International marine channel availabilitySelectable 1 or 5-watt RF output powerTriple Watch™ monitors instant channels 16, 9 and 1 pre-selected channel all at once10 NOAA weather channels with alertsBacklit LCD display and keypadJIS7/CFR46 waterproofMemory channel scanSpeaker/microphone jackIncludes rechargeable NiMH battery, DC and AC adapters and charging cradle